F3SP71-4S | Yokogawa | Sequence CPU Module

Description

The Yokogawa F3SP71-4S, also cataloged as the Sequence CPU Module, is a high‑performance processor unit designed for the FA-M3 series PLCs. It executes stored program control with repetitive operation, supporting advanced ladder programming and robust I/O management for industrial automation systems.

Hardware Specifications

• Manufacturer: Yokogawa

• Product No.: F3SP71-4S

• Product Type: Sequence CPU Module

• Control Mode: Stored program, repetitive operation

• I/O Control Mode: Refreshing method / direct I/O instructions

• Programming Language: Object ladder language

• Basic Instructions: 40 types

• Application Instructions: 445 types

• Communication Ports: USB 2.0 (12 Mbps), Ethernet

• Memory Card Slot: SD memory card (SDHC compatible)

• Self Diagnostics: Memory error, CPU error, I/O error detection, syntax checking

• Shipping Weight: 3 Kg

Features

• Advanced Programming: Supports object ladder language with 40 basic and 445 application instructions.

• Flexible I/O Control: Offers both refreshing method and direct I/O instructions for real‑time responsiveness.

• High Connectivity: Equipped with USB 2.0 and Ethernet ports for programming and system communication.

• Expandable Storage: SD/SDHC memory card slot for program and data backup.

• Robust Diagnostics: Built‑in error detection for memory, CPU, I/O, and syntax integrity.

• Industrial Durability: Designed for continuous operation in demanding automation environments.

Frequently Asked Questions (FAQ)

Q: What programming language does the F3SP71-4S support? A: It supports object ladder language, optimized for industrial automation.

Q: Can the module store programs externally? A: Yes, it supports SD/SDHC memory cards for program storage and backup.

Q: What diagnostic functions are available? A: The CPU can detect memory errors, CPU errors, I/O errors, and syntax issues automatically.

Field Installation Guidelines

• Mount the F3SP71-4S securely within the FA-M3 PLC rack.

• Ensure proper grounding and shielding of Ethernet and USB cabling.

• Insert SD/SDHC memory cards only after power‑off to avoid corruption.

• Verify I/O control mode settings during commissioning.

• Perform diagnostic checks to confirm CPU and I/O integrity before activation.